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// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams
#define HERCULES_CORE
#include "mapindex.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../common/db.h"
#include "../common/malloc.h"
#include "../common/mmo.h"
#include "../common/showmsg.h"
#include "../common/strlib.h"
/* mapindex.c interface source */
struct mapindex_interface mapindex_s;
/// Retrieves the map name from 'string' (removing .gat extension if present).
/// Result gets placed either into 'buf' or in a static local buffer.
const char* mapindex_getmapname(const char* string, char* output) {
static char buf[MAP_NAME_LENGTH];
char* dest = (output != NULL) ? output : buf;
size_t len = strnlen(string, MAP_NAME_LENGTH_EXT);
if (len == MAP_NAME_LENGTH_EXT) {
ShowWarning("(mapindex_normalize_name) Map name '%*s' is too long!\n", 2*MAP_NAME_LENGTH_EXT, string);
len--;
}
if (len >= 4 && stricmp(&string[len-4], ".gat") == 0)
len -= 4; // strip .gat extension
len = min(len, MAP_NAME_LENGTH-1);
safestrncpy(dest, string, len+1);
memset(&dest[len], '\0', MAP_NAME_LENGTH-len);
return dest;
}
/// Retrieves the map name from 'string' (adding .gat extension if not already present).
/// Result gets placed either into 'buf' or in a static local buffer.
const char* mapindex_getmapname_ext(const char* string, char* output) {
static char buf[MAP_NAME_LENGTH_EXT];
char* dest = (output != NULL) ? output : buf;
size_t len;
safestrncpy(buf,string, sizeof(buf));
sscanf(string, "%*[^#]%*[#]%15s", buf);
len = safestrnlen(buf, MAP_NAME_LENGTH);
if (len == MAP_NAME_LENGTH) {
ShowWarning("(mapindex_normalize_name) Map name '%s' is too long!\n", buf);
len--;
}
safestrncpy(dest, buf, len+1);
if (len < 4 || stricmp(&dest[len-4], ".gat") != 0) {
strcpy(&dest[len], ".gat");
len += 4; // add .gat extension
}
memset(&dest[len], '\0', MAP_NAME_LENGTH_EXT-len);
return dest;
}
/// Adds a map to the specified index
/// Returns 1 if successful, 0 otherwise
int mapindex_addmap(int index, const char* name) {
char map_name[MAP_NAME_LENGTH];
if (index == -1){
for (index = 1; index < mapindex->num; index++) {
if (mapindex->list[index].name[0] == '\0')
break;
}
}
if (index < 0 || index >= MAX_MAPINDEX) {
ShowError("(mapindex_add) Map index (%d) for \"%s\" out of range (max is %d)\n", index, name, MAX_MAPINDEX);
return 0;
}
mapindex->getmapname(name, map_name);
if (map_name[0] == '\0') {
ShowError("(mapindex_add) Cannot add maps with no name.\n");
return 0;
}
if (strlen(map_name) >= MAP_NAME_LENGTH) {
ShowError("(mapindex_add) Map name %s is too long. Maps are limited to %d characters.\n", map_name, MAP_NAME_LENGTH);
return 0;
}
if (mapindex_exists(index)) {
ShowWarning("(mapindex_add) Overriding index %d: map \"%s\" -> \"%s\"\n", index, mapindex->list[index].name, map_name);
strdb_remove(mapindex->db, mapindex->list[index].name);
}
safestrncpy(mapindex->list[index].name, map_name, MAP_NAME_LENGTH);
strdb_iput(mapindex->db, map_name, index);
if (mapindex->num <= index)
mapindex->num = index+1;
return index;
}
unsigned short mapindex_name2id(const char* name) {
int i;
char map_name[MAP_NAME_LENGTH];
mapindex->getmapname(name, map_name);
if( (i = strdb_iget(mapindex->db, map_name)) )
return i;
ShowDebug("mapindex_name2id: Map \"%s\" not found in index list!\n", map_name);
return 0;
}
const char* mapindex_id2name_sub(unsigned short id,const char *file, int line, const char *func) {
if (id > MAX_MAPINDEX || !mapindex_exists(id)) {
ShowDebug("mapindex_id2name: Requested name for non-existant map index [%d] in cache. %s:%s:%d\n", id,file,func,line);
return mapindex->list[0].name; // dummy empty string so that the callee doesn't crash
}
return mapindex->list[id].name;
}
int mapindex_init(void) {
FILE *fp;
char line[1024];
int last_index = -1;
int index, total = 0;
char map_name[13];
if( ( fp = fopen(mapindex->config_file,"r") ) == NULL ){
ShowFatalError("Unable to read mapindex config file %s!\n", mapindex->config_file);
exit(EXIT_FAILURE); //Server can't really run without this file.
}
mapindex->db = strdb_alloc(DB_OPT_DUP_KEY, MAP_NAME_LENGTH);
while(fgets(line, sizeof(line), fp)) {
if(line[0] == '/' && line[1] == '/')
continue;
switch (sscanf(line, "%12s\t%d", map_name, &index)) {
case 1: //Map with no ID given, auto-assign
index = last_index+1;
/* Fall through */
case 2: //Map with ID given
mapindex->addmap(index,map_name);
total++;
break;
default:
continue;
}
last_index = index;
}
fclose(fp);
mapindex->check_default();
return total;
}
bool mapindex_check_default(void)
{
if (!strdb_iget(mapindex->db, mapindex->default_map)) {
ShowError("mapindex_init: MAP_DEFAULT '%s' not found in cache! update mapindex.h MAP_DEFAULT var!!!\n", mapindex->default_map);
return false;
}
return true;
}
void mapindex_removemap(int index){
strdb_remove(mapindex->db, mapindex->list[index].name);
mapindex->list[index].name[0] = '\0';
}
void mapindex_final(void) {
db_destroy(mapindex->db);
}
void mapindex_defaults(void) {
mapindex = &mapindex_s;
/* TODO: place it in inter-server.conf? */
snprintf(mapindex->config_file, 80, "%s","db/map_index.txt");
/* */
mapindex->db = NULL;
mapindex->num = 0;
mapindex->default_map = MAP_DEFAULT;
mapindex->default_x = MAP_DEFAULT_X;
mapindex->default_y = MAP_DEFAULT_Y;
memset (&mapindex->list, 0, sizeof (mapindex->list));
/* */
mapindex->init = mapindex_init;
mapindex->final = mapindex_final;
/* */
mapindex->addmap = mapindex_addmap;
mapindex->removemap = mapindex_removemap;
mapindex->getmapname = mapindex_getmapname;
mapindex->getmapname_ext = mapindex_getmapname_ext;
mapindex->name2id = mapindex_name2id;
mapindex->id2name = mapindex_id2name_sub;
mapindex->check_default = mapindex_check_default;
}
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